A car goes by 20 m/sec for 3 minutes. Find traveled distance?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little